package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo3 {
    public static void main(String[] args) throws SQLException, ClassNotFoundException {
        Class.forName("com.mysql.jdbc.Driver");
        Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root");
        Statement statement =connection.createStatement();
        String sql="UPDATE user " +
                "SET password='666666',age=18,nickname='张三丰' " +
                "WHERE username='张三'";
        System.out.println(sql);
        int num=statement.executeUpdate(sql);
        System.out.println(num> 0?"修改成功":"修改失败");
        connection.close();
    }
}
